45449213 has 8 divisors (see below), whose sum is σ = 46096128. Its totient is φ = 44806624.

The previous prime is 45449207. The next prime is 45449233. The reversal of 45449213 is 31294454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45449213 - 2⁶ = 45449149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45449213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45449233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24020 + ... + 25842.

It is an arithmetic number, because the mean of its divisors is an integer number (5762016).

Almost surely, 2^45449213 is an apocalyptic number.

It is an amenable number.

45449213 is a deficient number, since it is larger than the sum of its proper divisors (646915).

45449213 is a wasteful number, since it uses less digits than its factorization.

45449213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163.

The product of its digits is 17280, while the sum is 32.

The square root of 45449213 is about 6741.6031476200. The cubic root of 45449213 is about 356.8689714181.

The spelling of 45449213 in words is "forty-five million, four hundred forty-nine thousand, two hundred thirteen".